Noonday Creek Ws Str # 9

Noonday Creek Ws Str # 9 is an earth dam located in Cobb County, Georgia, built in 1955. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Noonday Creek Ws Str # 9

The primary purpose of Noonday Creek Ws Str # 9 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Cobb County Swcd (state). It impounds the Unknown near Roberts Road Community.

The dam stands 23 feet tall and stretches 598 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 284 acre-feet, and collects water from a drainage area of 400 square miles. Completed in 1955, the structure is well into its service life at over 50 years old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 03/15/2016. That was 10 years ago — unusually long for a high-hazard dam, which typically requires more frequent inspections.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Georgia dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateGeorgia
CountyCobb
Nearest CityRoberts Road Community
River/StreamUnknown
Coordinates34.00160, -84.60579

Physical Characteristics

Dam TypeEarth
NID Height23 ft
Dam Height23 ft
Dam Length598 ft
Year Completed1955 (71 years old)

Storage & Hydraulics

NID Storage284 acre-ft
Max Storage284 acre-ft
Normal Storage35 acre-ft
Surface Area10 acres
Drainage Area400 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerCobb County SWCD
Owner TypeState
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection03/15/2016
Emergency Action PlanYes

Identifiers

NID IDGA01468
Federal IDGA01468
More InfoState Dam Safety Program

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